CN206888999U - A kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot - Google Patents
A kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot Download PDFInfo
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- CN206888999U CN206888999U CN201720719230.2U CN201720719230U CN206888999U CN 206888999 U CN206888999 U CN 206888999U CN 201720719230 U CN201720719230 U CN 201720719230U CN 206888999 U CN206888999 U CN 206888999U
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Abstract
The utility model is more particularly to a kind of curved section type variable telescoping steel form vault template and its adjustable arch beam supporting construction that disclosure satisfy that variable cross-section bend cave depot construction demand.The purpose of this utility model is the general and interchangeability of curved section type variable telescoping steel form vault template to be improved.The specific splicing for employing the vault modular unit section being made up of the standard form and special template of minimum specification, efficiently solve the vault template adaptability problem of Varied section bend cave depot construction, simultaneously, by supporting very heavy sliding support and its adjustable arch beam supporting construction with the compositions such as longeron are put, solves the problems, such as the support of the template, pass through method of the present utility model, when carrying out the construction of bend cave depot, only need to increase and decrease standard form and change special template, greatly reduce hand labor intensity and engineering cost.
Description
Technical field
The utility model belongs to underground cavern construction of concrete lining equipment technology field, and in particular to one kind is applied to song
The adjustable arch beam supporting construction of line segment type variable telescoping steel form vault template.
Background technology
In the construction of more section bend cave depot engineerings, it is frequently encountered due to the change of cave depot span and causes its section to be joined
Several changes, the section of change prevents the vault template using a certain set specification of tradition from meeting construction demand, and needs to match somebody with somebody
The more set vault templates of standby and replacing are constructed.So, the expenses such as mould input, production management, transition transport are not only increased,
And in practice of construction, change a whole set of template, it is also necessary to the process such as the artificial formwork erection of repetitive cycling, form removal, carrying, formwork,
Considerably increase hand labor intensity and engineering cost.On the other hand, due to the vault section configuration and straightway of bend cave depot
Cave depot is compared to complex, it is impossible to by simply increasing or decreasing the vault template of part different size on the basis of former span
Unit section come adapt to change section, otherwise can not meet by the concrete-lined required precision of multiple cave depot, or need outfit tens
The tailored template of the even more more specifications of kind.So, how to be spliced by the modular unit section of minimum specification, to approach different spans
Vault theory camber line be a technical barrier in current engineering construction.
In addition, be generally also equipped with traditional telescoping steel form for improve the arched girder connected firmly with vault template by
The supporting construction of power situation, this class formation upper end is connected often through support member with arched girder, lower end and telescoping steel form framework system
The a certain component of system connects firmly, to transmit vertical load and its stiffness of increase that arched girder is born.Conventional fixed-type support knot
Although structure force-bearing situation is preferable, bend cave depot can not be adjusted and caused because of the change of span along cave depot axis direction and bend
The alignment error of radial direction, on the contrary, it is larger also make it that arch structure is born due to the presence of alignment error in both direction
Torque.
In order to solve the above technical problems, inventor providing a kind of curved section type variable telescoping steel form vault template and its can
Arched girder supporting construction is adjusted, the set template can meet one by the standard form of minimum specification and the splicing of special template
It is fixed to become across scope inner curve cave depot construction demand；Simultaneously, there is provided a kind of adjustable branch of the arched girder connected firmly with the vault template
Support structure, the alignment error of cave depot axis direction and bend radial direction caused by conventional fixed-type structure is effectively eliminated, improved
The force-bearing situation of arched girder.
Utility model content
The purpose of this utility model is to provide a kind of suitable for the adjustable of curved section type variable telescoping steel form vault template
Arched girder supporting construction, the vault template described in structure of the present utility model refer to the vault mould using ad hoc approach design
Plate, the vault template can meet necessarily to become in the range of by the standard form of minimum specification and the splicing of special template
Bend cave depot construction demand.
Specifically, the utility model is achieved using following technical scheme.One kind is applied suitable for variable cross-section bend cave depot
The supporting construction of the vault template of work, including longeron, the very heavy sliding support fastening bolt of support, vault template, arch on outside
Beam, arched girder support are very heavy, the very heavy sliding support of support, longeron and column on inner side.Because being used for bend, thus on outside longeron with
Longeron is arc on inner side, and be separately positioned on along cave depot section direction it is symmetrical inside and outside column upper end.
One of point of the present utility model of creating is to employ movably to support very heavy sliding support.The very heavy cunning of support
Dynamic bearing is an active plate, and both sides are respectively equipped with fixing hole, and in order to ensure stability, the quantity of the fixing hole per side is two
It is individual.Both sides are additionally provided with the lug with holes that confession " people " font arched girder supports the be hinged installation in very heavy lower end above active plate.Arch
Ellbeam supports very heavy upper end to be hinged with arched girder.
For convenience of description, longeron on longeron on outside and inner side is referred to as upper longeron.Upper longeron is in the utility model
Box-structure, main member are outer panels, wainscot, top panel and lower panel, and wherein outer panels and wainscot are the same of thin-walled
Heart circular arc panel；Top panel and lower panel are fan-shaped distribution；It is uniformly arranged on top panel both sides along bend RADIAL multigroup
Inward flange and outward flange, are provided with chute at inward flange and at outward flange, the chute is circular arc and same with track curve circular arc
The center of circle；Very heavy sliding support is supported to enter by the chute, the fixing hole of itself using very heavy sliding support fastening bolt is supported
Row is fixed.When needing the regulation very heavy sliding support position of support, very heavy sliding support fastening bolt is supported as long as loosening.
Arched girder described in the utility model is the adjustable arched girder of arch of multistage connection.Along bend cave depot axis
Direction is uniformly arranged some groups and is distributed in bend RADIAL.Connect firmly and support above arched girder and spliced by several modular unit sections
The vault template formed.
The ad hoc approach that vault template described in the utility model uses is designed to comprise the following steps
First, draw a width of 1200mm of a standard unit section vault template expanded view.
1.1 respectively with R,(wherein R is turning radius, LiFor span, i is span sequence number) be radius draw respectively across
Outside, inner side and the middle circular arc of degree；
1.2 in outer arc, and it is wide to intercept the standard that arc length is 1200mm, by the center of circle respectively with circular arc two-end-point phase
Even；
1.3 lines meet at other 2 points with inner arc respectively, then 4 points of planar graphs formed are a unit
Save vault template expanded view, the inside and outside both sides of the expanded view are respectively on theoretical circular arc inside and outside each span, and in addition two
Edge radial distribution.
Second, the chord length of circular arc replaces corresponding arc length inside and outside, point of a vault modular unit section expanded view is obtained
Analyse model.
2.1 vault templates rely on the adaptive arc special construction of its own, telescoping steel form arched girder curved support and
Under mounting process, plastic deformation is brought it about, polylith template splicing is into space curved surface, but the panel blanking stage during fabrication,
The panel of arc length 1200mm unit section templates need to be launched into plane geometric figure；
2.2 generally, and because the radius of curvature of elbow curve is larger, the arc length inside and outside template is corresponding
Chord length difference is very small, can be ignored completely not for architectural engineering instead of error caused by corresponding arc length respectively using chord length
Meter, therefore, the analysis model of a vault modular unit section expanded view can then be reduced to an isosceles trapezoid, wherein two waists are distinguished
On the RADIAL of theoretical circle under different spans, upper and lower two base is respectively the string of a musical instrument of corresponding circular arc.
Third, according to the throwing between the analysis model of each unit section expanded view and the template vault circular arc distribution map of each span
Shadow corresponding relation, divide template specification.
3.1 according to arch, span, mistake is high, encircles the vault circular parameters such as radius, home position, draws the theory of each span
Template vault circular arc；
The 3.2 theoretical templates for dividing each span successively from top to bottom or from bottom to top with a length of 1000mm of standard arc length are encircleed
Tip circle arc；
3.3 utilize the throwing between the analysis model of theoretical template vault circular arc and vault the modular unit section expanded view of division
Shadow corresponding relation, the unit section template of each span is divided into several pre-standard templates and a pre- special template successively, its
Template corresponding to middle 1000mm arc length is pre-standard template, the template corresponding to less than 1000mm arc length finally divided
For pre- special template；
3.4 pairs of each pre-standard templates and pre- special template are numbered, and wherein pre-standard template is designated as " marki,n", it is pre- special
Template is designated as " speciali,1", wherein i is span sequence number.
Fourth, the profile size of a kind of modular unit section of span and remaining several span modular unit section is contrasted
Analyze, unit section on the basis of the minimum one kind of step-up error, and utilize reference cell section optimisation criteria template specification.
4.1 is relevant with span according to the standard form specification quantity of step 3 division, generally has tens kinds, standard
Template specification quantity is excessive, it is necessary to optimize；
4.2 each span unit section profiles of analysis, by the modular unit section of one of which span and the mould of remaining several span
The profile size of Slab element section is analyzed, unit section on the basis of the minimum one kind of step-up error；
The pre-standard template-setup of the reference cell section divided in step 3 is ultimate criterion template by 4.3, and is designated as
" markN", N is standard form sequence number.
Fifth, manufacture and mounting process with reference to template, optimize special template specification.
5.1 should be greater than 500mm for ease of manufacture and installation form, all template lengths of division, therefore, special setting
During template, the coupled standard form of curtailment 500mm special template should be merged, and be arranged to a special mould
Plate, while reduce the standard form quantity under the span；
Special template after optimization is designated as " spy by 5.2i", i is span sequence number.
Sixth, according to each template number, template specification size table is drawn.According to Step 4: standard form and the spy of five divisions
Different template, the structure and technical parameter of binding curve section type variable telescoping steel form, draw the template specification size table of each span.
Seventh, according to template specification size table, each span template outfit table and expanded view are drawn.
The vault template designed according to method described in the utility model is a set of standard form and spy by some specifications
The vault template of different template composition.When carrying out the construction of bend cave depot using the vault template, it is only necessary to increase and decrease standard form and
Special template is changed, greatly reduces hand labor intensity and engineering cost.
Adjustable arch beam support structure designs of the present utility model are applicable not only to according to ad hoc approach design
Vault template, it also can be used in the vault template of existing traditional specification.
Compared with prior art, the beneficial effects of the utility model are：
By the splicing of several vault modular unit sections being made up of the standard form and special template of minimum specification, have
Effect solve cause under certain turning radius, due to the change of span cave depot section parameter change after vault template fit
Sex chromosome mosaicism is answered, has accomplished one module multiple usages, and construction precision is higher.
The utility model is by supporting very heavy sliding support and its being supported with the adjustable arch beam for putting the compositions such as longeron
The design of structure, curved section type variable telescoping steel form vault template is set to be applied to actual production.Using turning radius as
Exemplified by 50000mm, 1/4 arch, it is only necessary to which a kind of ten standard forms and special template can meet to become across scope 4000mm-6000mm
The construction demand of interior all spans, theoretical cumulative errors are less than 10mm.
Telescoping steel form of the present utility model is reduced compared with using conventional fixed-type telescoping steel form arched girder supporting construction
Alignment error, hence it is evident that improve the force-bearing situation of arched girder.On " arc " shape medial and lateral on the interior outward flange of longeron top panel,
Be uniformly arranged external chute in some groups along bend RADIAL, be provided with every group in external chute several be used for it is fixed support it is very heavy
The very heavy sliding support fastening bolt of support of sliding support, overcomes and very heavy sliding support is supported under different spans along cave depot axis
Deviate the positively and negatively error of its theoretical installation site to the left or to the right in direction；The branch connected firmly with the very heavy lower end of arched girder support
Support very heavy sliding support and use spherical steel support, the rotation of its big corner can overcome peace of each span along bend radial direction
Fill error.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the utility model device front view；
Fig. 2 is the attached view of the utility model device (expansion)；
Fig. 3 be in the utility model installation drawing 1 A-A to partial sectional view；
Fig. 4 is upper longeron front view on the outside of the utility model device；
Fig. 5 is B-B direction sectional view in the utility model installation drawing 4；
Fig. 6 is enlarged drawing at I in the utility model installation drawing 4；
Fig. 7 is across the vault template expanded views of the utility model device 4000mm；
Fig. 8 is across the vault template expanded views of the utility model device 4500mm；
Fig. 9 is across the vault template expanded views of the utility model device 5000mm；
Figure 10 is across the vault template expanded views of the utility model device 5500mm；
Figure 11 is across the vault template expanded views of the utility model device 6000mm；
The vault cross-module plate space arrangement figure that Figure 12 is the utility model device 4000mm to be cut across, length 3600mm mono-.
In figure：Longeron on 1- outsides；101- outer panels；102- wainscots；103 top panels；104 lower panels；2- supports thousand
Jin sliding support fastening bolt；3- vault templates；4- arched girders；The support of 5- arched girders is very heavy；6- supports very heavy sliding support；7-
Longeron on inner side；8- columns；C- external chutes；D- internal chutes.
Embodiment
The following examples can make those skilled in the art that the utility model be more fully understood, but not in any way
Limit the utility model.
The utility model turning radius common in being constructed using actual cave depot is 50000mm, 1/4 arch, change across scope
4000mm-6000mm, change stride away from exemplified by 500mm, with reference to legend, illustrate one kind and are applied to curved section type variable punching block platform
Car (it is made up of three sections of frame systems, every section of axial length about 3600mm, is always about 10800mm, each section both can be used alone,
Can be combined use) on vault template and its adjustable arch beam supporting construction embodiment.
As shown in figures 1 to 6, a kind of vault template and its supporting construction suitable for the construction of variable cross-section bend cave depot, including it is outer
Longeron 1, the very heavy sliding support fastening bolt 2 of support, vault template 3, arched girder 4, arched girder support very heavy 5, support thousand on side
Longeron 7 and column 8 on jin sliding support 6, inner side；
Column 8 has multiple and inside and outside being symmetricly set in along cave depot section direction, and longeron 1 is arranged on outside on outside
The upper end of column 8, longeron 7 is arranged on the upper end of column 8 of inner side on inner side.
In longeron 1 on the outside of " arc " shape it is a box-structure along cave depot bend axis direction, " arc " shape centerline
Radius is equal to turning radius, and thin-walled outer panels 101 and wainscot 102 are isocentric circular arc panel；Top panel 103 and lower panel 104
It is distributed in sector, the distribution of both sides edge 50000mm track curve circular arcs RADIAL；Uniformly set along bend RADIAL on top panel 103
Outward flange in 11 groups, inward flange inner arc and outward flange outer arc and track curve circular arc concentric are put, is set at interior outward flange
Put external chute C, D in 11 groups.Chute C, D also with track curve circular arc concentric.
Be provided with every group in external chute C, D four be used for fixation support very heavy slide of the support of very heavy sliding support 6 to prop up
Seat fastening bolt 2, trough width are slightly larger than slightly larger than the nominal diameter for supporting very heavy sliding support fastening bolt 2, length
Along twice of cave depot axis direction maximum alignment error in five kinds of spans of 4000mm-6000mm, it is therefore an objective to overcome under different spans
Very heavy sliding support 6 is supported to deviate the positive error and negative sense error of its theoretical installation site to the left or to the right.
The very heavy sliding support 6 of support for supporting very heavy 5 lower end to connect firmly with arched girder is spherical steel support, and its big corner turns
Dynamic performance enough overcomes alignment error of each span along bend radial direction between 4000mm-6000mm.
The very heavy both sides of sliding support 6 of support are each provided with two fixing holes, support very heavy sliding support fastening bolt 2
Through two side chutes and fixing hole very heavy sliding support 6 will be supported to be fixed on the upper longeron 1 in outside or inner side on longeron 7；
Lug of two legs of arched girder support very heavy 5 respectively with supporting the very heavy both ends of sliding support 6 is hinged, arched girder branch
The upper end and arched girder 4 for supportting very heavy 5 are hinged；The vault template 3 is arranged on arched girder 4.
Installation example
Be in comprising ten one kind altogether across scope 4000mm-6000mm vault template 3 according to the change that ad hoc approach is designed etc.
The trapezoidal standard form of waist and special template, wherein six kinds of standard form, upper bottom length range is 1079mm-1200mm, and
The bottom of flanking sequence specification template is equal with upper bottom, is highly 1000mm；Five kinds of special template, upper bottom length range are
1064mm-1118mm, altitude range 636mm-1375mm.Each template specification size is as shown in table 1.
As illustrated in figures 7-11, the vault template of every kind of span by nine in bend RADIAL distribution unit sections splicing and
Into each unit section forms (each span template outfits of 4000mm-6000mm by four to six standard forms and a special template
As shown in table 2), wherein, standard form is arranged on the outside of bend, and special template is arranged at curve inner side.
As shown in figure 12, by 4000mm exemplified by, 3600mm mono- cuts vault cross-module plate, in actual installation, along bend footpath
To line direction, from bend on the outside of to inner side, install successively each unit section " 4 " four mark 1, mark 2, mark 3, mark standard forms,
Unit section most inner side installation " special 1 " template；Along bend cave depot axis direction, from left to right, unit section is coupled successively, and
Connected firmly with arched girder 4.The installation of other span templates is similar with its.
The 4000mm-6000mm of table 1 is across each template specification size table
Each span templates of the 4000mm-6000mm of table 2 are equipped with table
It will be understood by those skilled in the art that above example is only exemplary embodiment, without departing substantially from of the present utility model
In the case of spirit and scope, it is changed, replaces and changes and also should be considered to be encompassed in the scope of protection of the utility model
It is interior.
Claims (3)
1. a kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot, it is characterised in that including being indulged on outside
Beam（1）, the very heavy sliding support fastening bolt of support（2）, vault template（3）, arched girder（4）, arched girder support it is very heavy（5）, branch
Support very heavy sliding support（6）, longeron on inner side（7）And column（8）；
Column（8）There is multiple and inside and outside being symmetricly set in along cave depot section direction, longeron on outside（1）It is arranged on outside
Column（8）Upper end, longeron on inner side（7）It is arranged on the column of inner side（8）Upper end；
Longeron on outside（1）With longeron on inner side（7）Structure composition is identical, only because being located at respectively inside and outside bend and radian half
Footpath and length are otherwise varied；
Longeron on outside（1）For by outer panels（101）, wainscot（102）, top panel（103）And lower panel（104）The case of composition
Type structure, wherein outer panels（101）And wainscot（102）For isocentric circular arc panel；Top panel（103）And lower panel（104）
It is distributed for sector；In top panel（103）Multigroup inward flange and outward flange are uniformly arranged along bend RADIAL, on both sides at inward flange
Be provided with chute at outward flange, the chute be circular arc and with track curve circular arc concentric；
The very heavy sliding support of support（6）Both sides are provided with fixing hole, support very heavy sliding support fastening bolt（2）Through two
Side chute will support very heavy sliding support with fixing hole（6）It is fixed on the upper longeron in outside（1）Or longeron on inner side（7）On；
Arched girder support is very heavy（5）Two legs respectively with supporting very heavy sliding support（6）The lug at both ends is hinged, arched girder branch
Support very heavy（5）Upper end and arched girder（4）It is be hinged；
The vault template（3）It is arranged on arched girder（4）On.
2. a kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot according to claim 1, it is special
Sign is that the quantity of the fixing hole is side two.
3. a kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot according to claim 1, it is special
Sign is, the inward flange inner arc and outward flange outer arc and track curve circular arc concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719230.2U CN206888999U (en) | 2017-06-20 | 2017-06-20 | A kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719230.2U CN206888999U (en) | 2017-06-20 | 2017-06-20 | A kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206888999U true CN206888999U (en) | 2018-01-16 |
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ID=61315883
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720719230.2U Expired - Fee Related CN206888999U (en) | 2017-06-20 | 2017-06-20 | A kind of vault formwork support structure suitable for the construction of variable cross-section bend cave depot |
Country Status (1)
| Country | Link |
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| CN (1) | CN206888999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060832A (en) * | 2017-06-20 | 2017-08-18 | 陕西理工大学 | A kind of vault template and its supporting construction constructed suitable for variable cross-section bend cave depot |
-
2017
- 2017-06-20 CN CN201720719230.2U patent/CN206888999U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060832A (en) * | 2017-06-20 | 2017-08-18 | 陕西理工大学 | A kind of vault template and its supporting construction constructed suitable for variable cross-section bend cave depot |
| CN107060832B (en) * | 2017-06-20 | 2019-03-26 | 陕西理工大学 | A kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20180620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |